button {
    background-color: #abf6bb; /* Green */
    border: none;
    color: rgb(127, 96, 175);
    padding: 10px 3px;
  
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    /* 圆角按钮 */
    border-radius: 10px;
    /* 宽度 */
    width: 35%;
  }
  /* 鼠标悬停 */
  button:hover {
    background-color: #fae5ed;
    color: rgb(76, 86, 103);
    padding-right: 20px;

  }

  button :after {
    content:'»' ;
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.5s;
  }


